Home / 991,325.07-1,368,032.24-538,616.07

Finding the Fourth Proportional to 991,325.07, 1,368,032.24 and 538,616.07

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Solution

The fourth proportional to 991,325.07, 1,368,032.24 and 538,616.07 is: 743,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,325.07 : 1,368,032.24 = 538,616.07 : x
  2. Step 2: Convert to fraction form
    991,325.07/1,368,032.24 = 538,616.07/x
  3. Step 3: Cross multiply
    991,325.07x = 1,368,032.24 × 538,616.07
  4. Step 4: Simplify right side
    991,325.07x = 736,844,146,049.02
  5. Step 5: Solve for x
    x = 736,844,146,049.02/991,325.07
  6. Step 6: Final answer
    x = 743,292.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.